Engine & Drivetrain
Post messages here about engine mechanics, exhaust, intake, etc. Anything to do with the engine system as a whole.
5,568 topics in this forum
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- 3 followers
- 9 replies
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Does anyone know of a source for the stock Nissan rubber/steel washers used to mount the differential mustache bar? I noticed that the ones on my '73 are starting to show some wear and want to replace them. MSA lists the washer/bushings as NLA and suggests going with polyurethane. I have the bushing which fits vertically inside the mustache bar and would like to keep this mount rubber. Any help would be appreciated, Thanks, John
Last reply by inline6, -
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- 3 followers
- 14 replies
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Hi there, Three months ago, I purchased a 1974 260Z with L28 turbo block with 3.1 L stroker conversion with Carbs. I love the sound and responsiveness but can't drive for no more than 20 minutes due to the smell of gas. I want to retain the current block but maybe convert to fuel injection. Any advise regarding this conversion including itb would be highly appreciated. I would like to know what hardware and engine management is required and where I can source the parts. Ultimately I'd like to tune the vehicle via dyno. I love the look of the itb. Any advise for this Newbie?
Last reply by Racer X, -
- 5 replies
- 558 views
I have turned into the Datsun tutor for a young lad(17”) Alex that has bought a 81zx project. The motor was half apart and the guy he bought it from was not the wrench on this car , just an owner . Anyways , the block and head were together in the car , but no induction or exhaust - that was all laying in the car . Dirty valve train like the valve cover was off for a long time . It’s been sitting for years . Took the head off to inspect and clean . Mating surface was flat . Cam is a CWC core and seems to be a stock replacement . Engine did turn over fine . He brought me the head and I broke it down to be cleaned and to do anything else necessary for him to have a runne…
Last reply by madkaw, -
- 2 followers
- 6 replies
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Hi, I’ve been slowly working on restoring a 77 280, it has the 5 speed with a hole in the bell housing, I found an early 4 speed from a 70-71 for a decent price locally. I was hoping someone more knowledgeable than me can tell me if the 4 speed bell housing would fit the 5 speed before I spend the money. Thanks!
Last reply by Racer X, -
Tranny leaks 1 2
by 73avocado- 4 followers
- 16 replies
- 3.1k views
I’ve got a new (to me) 73 Z, and I’ve got leaks from the 3 devices mounted to the transmission. They all leak down the outside of the housing. I’ve found a drawing that calls them the speedo drive, reverse lamp switch, and the clutch slave cylinder. I’ve only been able to find a part number for the o-ring for the speedo, and not much info on how to get at them. Does anyone have the part numbers for the 3 o-rings or seals? Anybody done these before? I’m really hoping to change them without dropping the tranny. Thanks!
Last reply by 73avocado, -
- 5 followers
- 26 replies
- 2.1k views
The debate rages on but this I feel is a good bit of food for thought ..... What are your views?
Last reply by Dave WM, -
- 1 follower
- 10 replies
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Just doing some more component replacing, repairing, evaluating on this resurrection project. The cylinder head checks out good. Our local automotive machine shop-Bob Rabon-removed and repaired a couple of the snapped off studs I was not able to get out, cleaned the head and just had to lightly touch up the valve seats. I did not have him check for flatness on the head, but I think I will drop it off to him before I get around to reassembling the cylinder head. The rest of the components-all intact but rusted up from the many years of bad storage before I purchased the project-have been thoroughly cleaned in the soak tank, and/or the EVAP-O-RUST solution. So far so g…
Last reply by One Way, -
- 6 followers
- 34 replies
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A few years ago when I was looking for a 5-speed transmission for my 1976 280Z project, I searched and searched for photos of the early ("wide ratio") and later ("close ratio") versions side-by-side. I never really found any, but I did acquire one of each, and thought I'd post pictures of them for easy comparison. The main things to notice are all on the rear extension housing: The wide ratio gearbox has two exhaust hanger ears on the rear extension housing, the close ratio has only one (on the driver's side). The wide ratio has a dust collar/shroud surrounding the end of the tail piece, the close ratio does not. The close ratio box has a cover for the…
Last reply by EuroDat, -
- 1 follower
- 5 replies
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Has anyone got any links to any good 2.7(ish) engine builds? I'm going the hard way about it(140mm rods etc) however looking forward to having something a little from the norm. I've got the last few bits on the way now so would like some interesting reading/research.
Last reply by Yamahacam, -
- 2 followers
- 10 replies
- 1.1k views
I have plans to convert my 260z to FI in the near future and need to find a solution for the coolant temp sensor. I found the following adapter which looks interesting, and seems like a decent option without having to change around the thermostat housing. Has anyone here used this for their FI conversion? https://www.amazon.ca/Mishimoto-MMWHS-34-BK-Temperature-Sensor-Adapter/dp/B00860GH8A
Last reply by YZFMax, -
- 1 follower
- 7 replies
- 998 views
Hello, I have some questions on porting the e88 head from my 240z. To give you some context I live in Germany so buying a cylinder head that flows better wont be an option and I wont hand this work over to a Professional 😄 This will be my first time porting a car head but I have ported 2 stroke cylinders countless times. My first question is: do I really need to remove the valves to port the runners or is it ok if I clean everything exceptionally well after the fact? I am also wondering what/how much meterial to remove (besides the port matching). The car is prabably getting a hotter cam a bit more compression and eventually triple 45mm weber…
Last reply by siteunseen, -
- 3 followers
- 16 replies
- 1.9k views
Hello, I used the OZDAT engine calculator to test if I could use the ld28 crank in my l24 engine to get 2700cc. the problem is that this would only work with the shorter L20a connecting rods but I cant seeb to find those anywhere not even aftermarket from maxpeedingrods or another seller does anyone know were I could find them? Youre help would be greatly appreciated! Greetings from Germany, Elias
Last reply by Zed Head,
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